Answer:
200 feet
Step-by-step explanation:
Area of the warehouse 
Let the length of the warehouse=l
The warehouse's width is exactly
of its length
Therefore: Width of the warehouse
Area =Length X Width
Therefore:

Answer:
8
Step-by-step explanation:
51 + 4x + 7 = 90 - combine like terms
58 + 4x = 90 - subtract 58 from each side
4x = 32 - divide both sides by 4
x = 8
Hi,
Get knowledge *throw math book at brain*
8 x 8 x 8 is 512 so its not a or b, add that to 6 times 6 and it equals d 546,
Answered by Britton have a nice day:)